4 Instruction tables - Agner Fog

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Nano 3000 Other NOP (90) 0-1 I12 0 1/2 Sometimes fused long NOP (0F 1F) 0-1 I12 0 1/2 PAUSE 2 6 ENTER a,0 10 21 ENTER a,b 52+5b LEAVE 3 2 2 CPUID 55-146 RDTSC 37 RDPMC 40 Floating point x87 instructions Operands μops Port Latency Reciprocal thruogh- Remarks Move instructions put FLD r 1 MB 1 1 FLD m32/m64 2 LD MB 4 1 FLD m80 2 LD MB 4 1 FBLD m80 36 54 54 FST(P) r 1 MB 1 1 FST(P) m32/m64 3 MB SA ST 5 1-2 FSTP m80 3 MB SA ST 5 1-2 FBSTP m80 80 125 125 FXCH r 1 I2 0 1 FILD m16 3 7 FILD m32 2 5 FILD m64 2 5 FIST(T)(P) m16 3 6 FIST(T)(P) m32 3 5 FIST(T)(P) m64 3 5 FLDZ FLD1 1 MB 1 FLDPI FLDL2E etc. 3 10 FCMOVcc r 1 MB 2 2 FNSTSW AX 1 1 FNSTSW m16 3 2 FLDCW m16 5 8 FNSTCW m16 3 2 FINCSTP FDECSTP 1 I2 0 1 FFREE(P) 1 MB 1 FNSAVE m 122 319 319 FRSTOR m 115 196 196 Arithmetic instructions FADD(P) FSUB(R)(P) r/m 1 MB 2 1 FMUL(P) r/m 1 MA 4 2 FDIV(R)(P) r/m MA 14-23 14-23 FABS 1 MB 1 1 FCHS 1 MB 1 1 FCOM(P) FUCOM r/m 1 MB 1 Page 178
Nano 3000 FCOMPP FUCOMPP 1 MB 1 FCOMI(P) FUCOMI(P) r 1 MB 2 1 FIADD FISUB(R) m 3 MB 2 FIMUL m 3 4 FIDIV(R) m 3 16 FICOM(P) m 3 2 FTST 1 MB 2 1 FXAM 15 38 38 FPREM ~130 FPREM1 ~130 FRNDINT 11 27 Math FSCALE 22 37 FXTRACT 13 57 FSQRT 73 FSIN FCOS ~150 FSINCOS 270-360 F2XM1 50-200 FYL2X ~50 FYL2XP1 ~50 FPTAN 300-370 FPATAN ~180 Other FNOP 1 MB 1 WAIT 1 I12 0 1/2 FNCLEX 59 FNINIT 84 Integer MMX and XMM instructions Operands μops Port Latency Reciprocal thruogh- Remarks Move instructions put MOVD r32/64,(x)mm 1 MB 3 1 MOVD m32/64,(x)mm 1 SA ST 2 1-2 MOVD (x)mm,r32/64 1 I2 4 1 MOVD (x)mm,m32/64 1 LD 2 1 MOVQ (x)mm, (x)mm 1 MB 1 1 MOVQ (x)mm,m64 1 LD 2 1 MOVQ m64, (x)mm 1 SA ST 2 1-2 MOVDQA xmm, xmm 1 MB 1 1 MOVDQA xmm, m128 1 LD 2 1 MOVDQA m128, xmm 1 SA ST 2 1-2 MOVDQU m128, xmm 1 SA ST 2 1-2 MOVDQU xmm, m128 1 LD 2 1 LDDQU xmm, m128 1 LD 2 1 MOVDQ2Q mm, xmm 1 MB 1 1 Page 179 Less at lower precision
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Introduction 4 Instruction tables L
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Definition of terms Operands Latenc
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Definition of terms It is not possi
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AMD K7 AMD K7 List of instruction t
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AMD K7 IMUL r32,r32/m32 2 4 2.5 ALU
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AMD K7 Other NOP (90) 1 0 1/3 ALU L
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AMD K7 PUNPCKH/LBW/WD mm,r/m 1 2 2
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AMD K7 Integer instructions PAVGUSB
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MOVNTI m,r 1 2-3 AGU MOVZX, MOVSX r
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RCL, RCR m,1 1 7 4 ALU, AGU RCL m,i
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K8 FNSTSW m16 2 8 FMISC, ALU do. FN
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PADDB/W/D/Q PADDSB/W PADDUSB/W PSUB
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MAXSS/D MINSS/D r,r/m 1 2 1 FADD MA
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K10 MOVNTI m,r 1 1 AGU MOVZX, MOVSX
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K10 RCR m,CL 8 7 5 ALU, AGU SHLD, S
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K10 FADD(P),FSUB(R)(P) r/m 1 4 1 FA
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K10 PADDB/W/D/Q PADDSB/W PADDUSB/W
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K10 LDMXCSR m 12 12 10 STMXCSR m 3
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Bulldozer Integer instructions Inst
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Bulldozer TEST m,r 1 0.5 EX01 TEST
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Bulldozer FLD m80 8 14 4 fp FBLD m8
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Bulldozer MASKMOVQ mm,mm 31 38 37 P
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Bulldozer MOVDDUP x,x 1 2 1 P1 ivec
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Logic AND/ANDN/OR/XORPS/ PD VAND/AN
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Bobcat AMD Bobcat List of instructi
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Bobcat IMUL r16,(r16),i 2 4 3 I0 IM
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Bobcat Move instructions FLD r 1 2
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Bobcat PUNPCKH/LBW/WD/ DQ PUNPCKH/L
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Bobcat MOVSHDUP, MOVSLDUP r,m 2 12
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Intel Pentium Intel Pentium and Pen
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Intel Pentium REP MOVS 12+n g) np S
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s Intel Pentium May be up to 3 cloc
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Pentium II and III PUSHF(D) 3 11 1
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Pentium II and III a) Faster under
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Pentium II and III PMOVMSKB d) r32,
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Pentium M Intel Pentium M, Core Sol
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Pentium M DIV IDIV r16 4 3 1 15-24
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Pentium M FLD r 1 1 1 FLD m32/64 1
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Pentium M MOVNTDQ PACKSSWB/DW m128,
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Pentium M MOVUPS/D m128,xmm 8 4 2 2
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Pentium M RSQRTSS xmm,xmm 1 1 3 1 R
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Merom Move instructions MOV r,r/i 1
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Merom ROR ROL m,i/cl 3 2 x x 1 1 1
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Merom FLDPI FLDL2E etc. 2 2 2 float
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Merom PALIGNR h) xmm,m128,i 2 2 x x
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Merom UNPCKH/LPD xmm,m128 2 1 1 1 f
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Wolfdale Intel Core 2 (Wolfdale, 45
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Wolfdale ADC SBB r,m 2 2 x x x 1 2
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Wolfdale LODS 3 2 1 1 REP LODS 4+7n
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Wolfdale Other FNOP 1 1 1 float 1 W
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Wolfdale Arithmetic instructions PA
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Wolfdale SHUFPS xmm,m128,i 2 1 1 1
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Wolfdale DPPD j) xmm,m128,i 4 4 x x
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Latency: Reciprocal throughput: Neh
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Nehalem CBW CWDE CDQE 1 1 x x x int
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Nehalem Floating point x87 instruct
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Nehalem MOVNTDQA j) PACKSSWB/DW PAC
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Nehalem PHMINPOSUW j) PABSB PABSW P
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Nehalem CVTDQ2PS xmm,xmm 1 1 1 floa
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Sandy Bridge Intel Sandy Bridge Lis
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Sandy Bridge INC DEC NEG NOT r 1 1
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Sandy Bridge CALL m 3 2 1 2 1 2 RET
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Sandy Bridge FYL2XP1 464 464 726 FP
Page 127 and 128: Sandy Bridge PCMPEQ/GTB/W/D (x)mm,m
Page 129 and 130: Sandy Bridge MOVMSKPS/D r32,x 1 1 1
Page 131 and 132: Sandy Bridge ADDSS/D SUBSS/D x,x 1
Page 133 and 134: Pentium 4 Intel Pentium 4 List of i
Page 135 and 136: Pentium 4 SFENCE 4 2 40 sse LFENCE
Page 137 and 138: Pentium 4 RETF i 4 33 11 0 86 IRET
Page 139 and 140: Pentium 4 Math FSQRT 1 0 43 0 43 1
Page 141 and 142: Pentium 4 PMIN/MAXSW r,r/m 1 0 2 1
Page 143 and 144: Pentium 4 h) Throughput of FP-MUL u
Page 145 and 146: Prescott MOV r64,i64 2 0 0 1 1 alu1
Page 147 and 148: Prescott IDIV r8/m8 1 21 76 0 34 1
Page 149 and 150: Prescott RDPMC (bit 31 = 1) 1 37 10
Page 151 and 152: Prescott Other FNOP 1 0 1 0 1 0 mov
Page 153 and 154: Prescott Other EMMS Notes: 10 10 12
Page 155 and 156: Atom Intel Atom List of instruction
Page 157 and 158: Atom IMUL r16,r16 2 ALU0, Mul 6 5 I
Page 159 and 160: Atom NOP (90) 1 ALU0/1 1/2 Long NOP
Page 161 and 162: Atom PACKSSWB/DW PACKUSWB (x)mm, (x
Page 163 and 164: Atom HADDPS HSUBPS xmm,xmm 5 FP0+1
Page 165 and 166: VIA Nano 2000 MOVSX MOVSXD MOVZX r,
Page 167 and 168: VIA Nano 2000 SETcc m 1 CLC STC CMC
Page 169 and 170: VIA Nano 2000 FABS 1 MB 1 1 FCHS 1
Page 171 and 172: VIA Nano 2000 Floating point XMM in
Page 173 and 174: VIA Nano 2000 REP XCRYPTECB 192 bit
Page 175 and 176: Nano 3000 MOVSX MOVZX r,r 1 I12 1 1
Page 177: Nano 3000 Control transfer instruct
Page 181 and 182: PABSB PABSW PABSD PSIGNB PSIGNW PSI
Page 183: Nano 3000 Other LDMXCSR m32 31 STMX
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4 Instruction tables - Agner Fog

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